Switch to using SQLite for the tests

.gitignore

@@ -8,5 +8,4 @@
 
 /composer.lock
 /package-lock.json
-/tests/.env
 /tests/hyper-schema/index.js

CONTRIBUTING.md

@@ -25,8 +25,6 @@ There is no fully automatic process to create these schemas. A schema for a PHP
 
        npm install
 
-3. If you want to run the tests locally, check the MySQL database credentials in the `tests/.env` file and amend them as necessary.
-
 ## Creating a REST API response schema
 
 The WordPress REST API response doesn't fully adhere to the JSON schema spec, so we need to tweak its output in order to generate a valid schema and to increase its specificity.

composer.json

@@ -9,17 +9,29 @@
 			"homepage": "https://johnblackbourn.com/"
 		}
 	],
+	"repositories": [
+		{
+			"type": "composer",
+			"url": "https://wpackagist.org",
+			"only": [
+				"wpackagist-plugin/*",
+				"wpackagist-theme/*"
+			]
+		}
+	],
 	"require": {
 		"php": "^7 || ^8"
 	},
 	"require-dev": {
+		"ext-sqlite3": "*",
+		"ext-pdo_sqlite": "*",
 		"johnbillion/args": "1.7.0",
 		"roots/wordpress-core-installer": "^1.0.0",
 		"roots/wordpress-full": "~6.3.0",
-		"vlucas/phpdotenv": "^5",
 		"wp-cli/core-command": "^2",
 		"wp-cli/db-command": "^2",
-		"wp-cli/language-command": "^2"
+		"wp-cli/language-command": "^2",
+		"wpackagist-plugin/sqlite-database-integration": "^2.1"
 	},
 	"config": {
 		"allow-plugins": {
@@ -30,18 +42,23 @@
 		"sort-packages": true
 	},
 	"extra": {
+		"installer-paths": {
+			"tests/wordpress/wp-content/plugins/{$name}/": [
+				"wpackagist-plugin/sqlite-database-integration"
+			]
+		},
 		"wordpress-install-dir": "tests/wordpress"
 	},
 	"scripts": {
 		"post-update-cmd": [
-			"@php -r \"! file_exists( 'tests/.env' ) && copy( 'tests/.env.dist', 'tests/.env' );\""
+			"@php -r \"file_exists( 'tests/wordpress/wp-content/db.php' ) || copy( 'tests/wordpress/wp-content/plugins/sqlite-database-integration/db.copy', 'tests/wordpress/wp-content/db.php' );\""
 		],
 		"test": [
 			"npm run validate",
 			"npm run build-wp-types",
 			"npm run test-wp-types",
 
-			"wp db reset --yes",
+			"rm -f tests/wordpress/wp-content/database/.ht.sqlite",
 			"wp core multisite-install --url=example.org --title=Example --admin_user=admin [email protected] --skip-email",
 			"wp language core install de_DE it_IT ar he_IL",
 

tests/wp-config.php

@@ -1,15 +1,5 @@
 <?php
 
-$_root_dir = getcwd();
-
-require_once $_root_dir . '/vendor/autoload.php';
-
-$_env_dir = __DIR__;
-
-if ( is_readable( $_env_dir . '/.env' ) ) {
-	Dotenv\Dotenv::createImmutable( $_env_dir )->load();
-}
-
 // Configuration needed during testing:
 define( 'WP_DEBUG', true );
 define( 'WP_DEBUG_DISPLAY', true );
@@ -21,13 +11,16 @@
 // WARNING WARNING WARNING!
 // These tests will DROP ALL TABLES in the database with the prefix named below.
 // DO NOT use a production database or one that is shared with something else.
-define( 'DB_NAME',     getenv( 'WP_TESTS_DB_NAME' ) ?: 'wordpress_test' );
-define( 'DB_USER',     getenv( 'WP_TESTS_DB_USER' ) ?: 'root' );
-define( 'DB_PASSWORD', getenv( 'WP_TESTS_DB_PASS' ) ?: 'root' );
-define( 'DB_HOST',     getenv( 'WP_TESTS_DB_HOST' ) ?: 'localhost' );
+define( 'DB_NAME', 'db.sqlite' );
+define( 'DB_USER', '' );
+define( 'DB_PASSWORD', '' );
+define( 'DB_HOST', '' );
 define( 'DB_CHARSET', 'utf8' );
 define( 'DB_COLLATE', '' );
 
+// SQLite config:
+define( 'SQLITE_MAIN_FILE', __DIR__ . '/wordpress/plugins/sqlite-database-integration/load.php' );
+
 // Enable Multisite:
 define( 'WP_ALLOW_MULTISITE', true );
 define( 'MULTISITE', true );